Lt. Col. and Mrs. Lee E. Montgomery, Illinois,1950s–1971; Nelson A. Rockefeller, New York, 1971, on loan to The Museum of Primitive Art, New York, 1971–1978
Lothrop, Samuel K. "Jewelry from the Panama Canal Zone." Archaeology: a magazine dealing with the antiquity of the world (March 1956), pp. 34–40, fig. 6.